Support for json media types as (non-image) mime types.

Source/core/dom/DOMImplementationTest.cpp

Index: Source/core/dom/DOMImplementationTest.cpp
diff --git a/Source/core/dom/DOMImplementationTest.cpp b/Source/core/dom/DOMImplementationTest.cpp
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+++ b/Source/core/dom/DOMImplementationTest.cpp
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+/*
+ * Copyright (c) 2013, Opera Software ASA. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Opera Software ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "core/dom/DOMImplementation.h"
+
+#include "wtf/text/WTFString.h"
+#include <gtest/gtest.h>
+
+using namespace WebCore;
+
+namespace {
+
+TEST(DOMImplementationTest, TextMIMEType)
+{
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("text/plain"));
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("text/javascript"));
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("application/json"));
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("application/+json"));
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("application/x-javascript-like+json;a=2;c=4"));
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("application/javascript"));
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("application/x-custom+json;b=3"));
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("application/x-custom+json"));
+    // Outside of RFC-2045 grammar, but robustly accept/allow.
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("application/x-what+json;"));
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("application/json;"));
+    EXPECT_TRUE(DOMImplementation::isTextMIMEType("application/json "));
+
+    EXPECT_FALSE(DOMImplementation::isTextMIMEType("application/x-custom;a=a+json"));
+    EXPECT_FALSE(DOMImplementation::isTextMIMEType("application/x-custom;a=a+json ;"));
+    EXPECT_FALSE(DOMImplementation::isTextMIMEType("application/x-custom+jsonsoup"));
+    EXPECT_FALSE(DOMImplementation::isTextMIMEType("application/x-custom+jsonsoup  "));
+    EXPECT_FALSE(DOMImplementation::isTextMIMEType("text/html"));
+    EXPECT_FALSE(DOMImplementation::isTextMIMEType("text/xml"));
+    EXPECT_FALSE(DOMImplementation::isTextMIMEType("text/xsl"));
+}
+
+}